Write a bedtime story titled [A-story_title-~Magical Night Adventure~] for a [D-child_gender-|girl|boy|~girl~] named [-child_name~Melanie~] and her [B-pet-|dog|cat|lizzard|~Dog~] named [-pet name-~Bubba~]. The plot must feature [C-themes-|unicorns|spaceships|fairy tales|dragons|~unicorns, fairy tales~] and be told in a [B-tone-|gentle|funny|adventurous|~gentle~] tone. Provide exactly [D-paragraphrs-5~3~] paragraphs.